Malaysia Airlines Flight MH370

A Malaysia Airlines Boeing 777-200 carrying 239 people lost contact with air traffic control early Saturday morning, March 8, 2014 on a flight from Kuala Lumpur to Beijing.

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Malaysia Airlines Flight MH370

In this photo dated Wednesday, July 29, 2015, French police officers look over a piece of debris from a plane in Saint-Andre, Reunion Island. Air safety investigators, one of them a Boeing investigator, have identified the component as a "flaperon" from the trailing edge of a Boeing 777 wing, a U.S. official said. Flight 370, which disappeared March 8, 2014, with 239 people on board, is the only 777 known to be missing.